The single from Busta Rhymes' album 'Back on My B.S.' that features Estelle is "World Go Round." This song is the fourth single from the album and is produced by Jelly Roll. You can listen to it on various platforms such as Spotify and watch the official video on YouTube. The collaboration with Estelle adds a unique flavor to the track, showcasing Busta Rhymes' ability to work with different artists and genres. For more details, you can refer to the Wikipedia page about the song here.